Dermoscopy of venous lake on the lips: A comparative study with labial melanotic macule PLOS One Oral Melanotic Macule: Symptoms and Treatment Skinsight Lip Pigmentation Treatment in Singapore Treatment of labial melanotic macules on the lip. These are benign spots that appear on the lips for no apparent reason. The causes are mostly genetic, but similar spots can appear in smokers, after Mucosal melanocytic macules Melanotic Macule Lip TikTok